delta88Oldsmobile’s Delta 88 this year featured a base, Custom, and more luxurious Royale model. Our feature car here is the Royale Coupe. The Royale came with the 455 cubicSpecs datasheet with technical data and performance data plus an analysis of the direct market competition of Oldsmobile Delta 88 Coupe 5.7 V8 in 1980 the model with 2-door hardtop